package com.health.manage.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.health.manage.pojo.entity.User;
import org.apache.ibatis.annotations.Select;

/**
 * @Describe: 用户表数据处理
 * @see
 */
public interface UserMapper extends BaseMapper<User> {
    @Select("SELECT sex FROM user WHERE sex = #{sex}")
    Long selectSexById();

}
